Simultaneous Nadir Overpasses (SNOs) between GOES-15 and FY3D
TLE Epoch: 2023 9 30.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  FY3D Lat/Lon    Distance(km)  Time Diff(sec)
 09/30/2023   07:47:49   (  -0.26,  97.77) (  -0.53,  96.66)  126.64                80
 10/01/2023   07:26:48   (  -0.28,  96.71) (   0.72, 101.07)  497.81                80
 10/02/2023   19:49:13   (   0.26,  95.09) (   0.12,  95.62)   60.72                80
 10/04/2023   08:14:25   (  -0.23,  93.46) (  -0.99,  90.15)  378.44                80
 10/05/2023   07:53:24   (  -0.25,  92.40) (   0.21,  94.56)  246.44                80
 10/06/2023   20:18:29   (   0.22,  90.76) (   0.57,  89.10)  188.60                80
 10/07/2023   19:57:27   (   0.24,  89.70) (  -0.63,  93.52)  435.45                80
 10/09/2023   08:22:40   (  -0.21,  88.06) (  -0.22,  88.04)    2.79                80
 10/10/2023   20:45:04   (   0.18,  86.41) (   1.06,  82.59)  435.37                80
 10/11/2023   20:24:03   (   0.21,  85.34) (  -0.15,  87.01)  189.46                80
 10/13/2023   08:49:15   (  -0.18,  83.71) (  -0.68,  81.53)  249.04                80